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Finding the Fourth Proportional to 67,225.49, 100,821.83 and 27,793.88

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Solution

The fourth proportional to 67,225.49, 100,821.83 and 27,793.88 is: 41,684.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,225.49 : 100,821.83 = 27,793.88 : x
  2. Step 2: Convert to fraction form
    67,225.49/100,821.83 = 27,793.88/x
  3. Step 3: Cross multiply
    67,225.49x = 100,821.83 × 27,793.88
  4. Step 4: Simplify right side
    67,225.49x = 2,802,229,201.32
  5. Step 5: Solve for x
    x = 2,802,229,201.32/67,225.49
  6. Step 6: Final answer
    x = 41,684.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.